Problem installing Let's Encrypt for aliases domains in Plesk


I have tried to install Let’s Encrypt with updated Plesk for a domain and its 4 domain aliases and I get the following error:


Type: urn:ietf:params:acme:error:connection

Status: 400

Detail: Fetching Connection refused

It works when I install only for the main domain.

My web server is a Centos 7 with Apache.

Thank you very much. I’m going crazy with this issue.

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